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Fax Form 8857 (innocent spouse relief) to the IRS

Fax Form 8857 to the IRS at 855-233-8558, or mail it to the IRS in Covington, Kentucky.

WhoFax number
Requests for innocent spouse relief (Form 8857)855-233-8558

Checked against Instructions for Form 8857 (Rev. June 2021), IRS.gov on October 12, 2026.

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  • Pay only for pages that arrive
  • A delivery receipt for every fax

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Before you fax

  • Don't file Form 8857 with your tax return or with the Tax Court.
  • Write your name and Social Security number on every attachment.
  • Send it to the fax number or address even if you are already talking to an IRS employee about an exam, appeal or collection.
  • If you received a notice of deficiency, also petition the Tax Court within the 90 days the notice gives. The IRS considering your request does not extend that deadline.
  • To mail it instead: Internal Revenue Service, P.O. Box 120053, Covington, KY 41012.

How to send it without a fax machine

  1. Fill in and sign Form 8857.
  2. Write your name and SSN on each attachment, then scan or photograph every page.
  3. Enter 855-233-8558 and add the pages.
  4. Send, and keep the delivery receipt.

Questions

Can I attach Form 8857 to my tax return?

No. The IRS says not to file Form 8857 with your tax return or the Tax Court; send it to the fax number or address on its own.

Does requesting relief stop the Tax Court deadline?

No. If you received a notice of deficiency, the 90-day period to petition the Tax Court is not extended while the IRS considers your request.

Does the number change?

It can. We compare it with the IRS instructions regularly; the date we last checked is at the bottom of this page.

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